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What is the vapor pressure (in {rm mm Hg}) of a solution of 15.5g of glucose in 82.0g of methanol at 27 degrees C? The vapor pressure of pure methanol at 27 degrees C is 140 mm Hg.
Concentrated acetic acid is 17.5 M; vinegar is 0.87 M acetic acid. How much concentrated acid do you need to make 24 L of vinegar
when a substance is being reduced, what type of current is produced?
The temperature outside is 15 degrees celsius, and the air pressure is 0.700 atm. Your neighbor, who released the balloon, tells you that he filled it with 4.20 moles of gas. What is the volume of gas inside this balloon
Write the acid/base equilibrium reaction (net-ionic) for the major species present in an aqueous solution of each of the following substances. Include aggregation states. Note that this text uses H3O+.
Calculate the amount of heat needed to boil benzene (C6H6), beginning from a temperature of 6.7 degrees celcius.
What is the pH of a solution resulting from the dissolution of 2.09 g of NH4Br in water to form 0.371 L of solution
For your cereal sample, you added the same volume of sodium acetate that you added to your standards and solution unknown.
Provide a stepwise mechanism for the reaction, showing all electron movement using the curved arrow convention. Sketch a qualitative energy level diagram for the mechanism labeling all relevant points.
If the equilibrium concentration of Cd2+ ion is 1.5 X 10-6 M, calculate the equilibrium concentration of OH- in an aqueous equilibrium between solid Cd(OH)2 and its ions. (Ksp for Cd(OH)2 is 2.5 X 10-14)
Briefly discuss how the solubility, crystallization and extraction techniques aid one in separation of the components of "Panacetin".
What is the theoretical yield of aspirin if 167 kg of salicylic acid is allowed to react with 123 kg of acetic anhydride?
A certain weak base has a Kb of 7.80 × 10-7. What concentration of this base will produce a pH of 10.16
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